EP4116393B1 - Organic electroluminescent element - Google Patents

Organic electroluminescent element

Info

Publication number
EP4116393B1
EP4116393B1 EP21765224.7A EP21765224A EP4116393B1 EP 4116393 B1 EP4116393 B1 EP 4116393B1 EP 21765224 A EP21765224 A EP 21765224A EP 4116393 B1 EP4116393 B1 EP 4116393B1
Authority
EP
European Patent Office
Prior art keywords
group
substituted
general formula
unsubstituted
substituent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21765224.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4116393A4 (en
EP4116393A1 (en
Inventor
Junichi IZUMIDA
Kouki Kase
Takeshi Yamamoto
Kazuyuki Suruga
Shuichi Hayashi
Norimasa Yokoyama
Soon-Wook Cha
Sung-Hoon Joo
Byung-Sun Yang
Ji-Hwan Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hodogaya Chemical Co Ltd
SFC Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
SFC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hodogaya Chemical Co Ltd, SFC Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of EP4116393A1 publication Critical patent/EP4116393A1/en
Publication of EP4116393A4 publication Critical patent/EP4116393A4/en
Application granted granted Critical
Publication of EP4116393B1 publication Critical patent/EP4116393B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
    • C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/06—Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/658—Organoboranes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1007—Non-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1011—Condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1014—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
    • C09K2211/104—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom with other heteroatoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1088—Heterocyclic compounds characterised by ligands containing oxygen as the only heteroatom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1092—Heterocyclic compounds characterised by ligands containing sulfur as the only heteroatom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2101/00—Properties of the organic materials covered by group H10K85/00
    • H10K2101/10—Triplet emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14—Carrier transporting layers
    • H10K50/15—Hole transporting layers
    • H10K50/156—Hole transporting layers comprising a multilayered structure
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Indole Compounds (AREA)
  • Inorganic Chemistry (AREA)
EP21765224.7A 2020-03-03 2021-02-16 Organic electroluminescent element Active EP4116393B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020035513 2020-03-03
PCT/JP2021/005693 WO2021177022A1 (ja) 2020-03-03 2021-02-16 有機エレクトロルミネッセンス素子

Publications (3)

Publication Number Publication Date
EP4116393A1 EP4116393A1 (en) 2023-01-11
EP4116393A4 EP4116393A4 (en) 2024-03-20
EP4116393B1 true EP4116393B1 (en) 2026-04-01

Family

ID=77613419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21765224.7A Active EP4116393B1 (en) 2020-03-03 2021-02-16 Organic electroluminescent element

Country Status (7)

Country Link
US (1) US20230138055A1 (https=)
EP (1) EP4116393B1 (https=)
JP (1) JP7784992B2 (https=)
KR (1) KR102921680B1 (https=)
CN (1) CN115210899A (https=)
TW (1) TWI883125B (https=)
WO (1) WO2021177022A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11925107B2 (en) * 2017-03-28 2024-03-05 Hodogaya Chemical Co., Ltd. Organic electroluminescent device
CN120398697A (zh) 2020-03-31 2025-08-01 出光兴产株式会社 化合物、有机电致发光元件用材料、有机电致发光元件和电子设备
US20230247850A1 (en) * 2020-08-05 2023-08-03 Hodogaya Chemical Co., Ltd. Organic electroluminescence element

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3194657B2 (ja) 1993-11-01 2001-07-30 松下電器産業株式会社 電界発光素子
JP3828595B2 (ja) 1994-02-08 2006-10-04 Ｔｄｋ株式会社 有機ｅｌ素子
KR100787425B1 (ko) 2004-11-29 2007-12-26 삼성에스디아이 주식회사 페닐카바졸계 화합물 및 이를 이용한 유기 전계 발광 소자
KR101151998B1 (ko) 2004-05-25 2012-06-01 호도가야 가가쿠 고교 가부시키가이샤 ｐ?터페닐 화합물 및 이 화합물을 이용한 전자 사진용감광체
JP5133259B2 (ja) 2006-11-24 2013-01-30 出光興産株式会社 芳香族アミン誘導体及びそれを用いた有機エレクトロルミネッセンス素子
US8541113B2 (en) * 2008-08-26 2013-09-24 Sfc Co., Ltd. Pyrene compounds and organic electroluminescent devices using the same
EP2684932B8 (en) 2012-07-09 2016-12-21 Hodogaya Chemical Co., Ltd. Diarylamino matrix material doped with a mesomeric radialene compound
US10374166B2 (en) * 2014-02-18 2019-08-06 Kwansei Gakuin Educational Foundation Polycyclic aromatic compound
TWI636056B (zh) * 2014-02-18 2018-09-21 學校法人關西學院 多環芳香族化合物及其製造方法、有機元件用材料及其應用
JP2016100364A (ja) * 2014-11-18 2016-05-30 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 有機エレクトロルミネッセンス素子用材料及びそれを用いた有機エレクトロルミネッセンス素子
US20180175301A1 (en) * 2015-06-11 2018-06-21 Hodogaya Chemical Co., Ltd. Arylamine compound and organic electroluminescent device
KR20190003329A (ko) * 2017-06-30 2019-01-09 주식회사 동진쎄미켐 신규 화합물 및 이를 포함하는 유기 발광 소자
CN109206327B (zh) * 2017-06-30 2024-03-08 东进世美肯株式会社 新颖化合物及包含其的有机发光器件
WO2019135665A1 (ko) * 2018-01-08 2019-07-11 주식회사 엘지화학 유기 발광 소자
JP6940046B2 (ja) * 2018-02-23 2021-09-22 エルジー・ケム・リミテッド ヘテロ環化合物およびこれを含む有機発光素子
WO2020004235A1 (ja) * 2018-06-25 2020-01-02 保土谷化学工業株式会社 トリアリールアミン構造を有する化合物および有機エレクトロルミネッセンス素子
KR102094830B1 (ko) * 2018-11-30 2020-03-30 에스에프씨 주식회사 다환 방향족 유도체 화합물 및 이를 이용한 유기발광소자
WO2020111830A1 (ko) * 2018-11-30 2020-06-04 에스에프씨 주식회사 다환 방향족 유도체 화합물을 이용한 유기발광소자
US12114562B2 (en) * 2019-01-21 2024-10-08 Sfc Co., Ltd. Compound for organic light-emitting diode and long lifespan organic light-emitting diode comprising same
JP2020136675A (ja) * 2019-02-14 2020-08-31 学校法人関西学院 有機電界発光素子
KR20250119652A (ko) * 2019-06-14 2025-08-07 가꼬우 호징 관세이 가쿠잉 다환방향족 화합물
CN110790782A (zh) * 2019-11-11 2020-02-14 北京大学深圳研究生院 一种深蓝色有机发光材料及其制备方法与应用
KR20210067844A (ko) * 2019-11-29 2021-06-08 주식회사 엘지화학 화합물 및 이를 포함하는 유기 발광 소자
JP2021086978A (ja) * 2019-11-29 2021-06-03 学校法人関西学院 有機電界発光素子
EP4112613A1 (en) * 2020-02-26 2023-01-04 Hodogaya Chemical Co., Ltd. Arylamine compound and electronic apparatus using same
WO2022082764A1 (zh) * 2020-10-23 2022-04-28 京东方科技集团股份有限公司 有机电致发光器件和显示装置

Also Published As

Publication number Publication date
WO2021177022A1 (ja) 2021-09-10
JP7784992B2 (ja) 2025-12-12
TWI883125B (zh) 2025-05-11
US20230138055A1 (en) 2023-05-04
JPWO2021177022A1 (https=) 2021-09-10
KR102921680B1 (ko) 2026-02-02
TW202140748A (zh) 2021-11-01
CN115210899A (zh) 2022-10-18
EP4116393A4 (en) 2024-03-20
EP4116393A1 (en) 2023-01-11
KR20220148837A (ko) 2022-11-07

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